Abstract: A high aspect ratio in-plane metal microneedle array, a manufacturing method and a clamping and inserting auxiliary device thereof is disclosed. A large-size metal sheet is cut into small metal sheets. A clamping tooling composed of two upper and lower metal cover plates is processed. Inner sides of the upper and the lower cover plates of the tooling are provided with grooves in which the metal sheets are placed and fastened by bolts. Wire cutting is conducted on the tooling and the metal sheets as a whole to obtain a plane metal microneedle array with a plurality of microneedle bodies. In addition, an assembling and clamping device and an inserting auxiliary device of the high aspect ratio in-plane metal microneedle array is provided. The assembled inserting auxiliary device is placed on skin, and the microneedle array is inserted into the skin through the auxiliary device.

Abstract: The present disclosure provides a battery piece feeding device and a soldering stringer, the battery piece feeding device is configured to lay battery pieces onto a soldering conveying device, the battery piece feeding device includes two picking mechanisms, both of the picking mechanisms are configured to alternately pick up the battery pieces from a battery piece picking position and lay the picked battery pieces onto the soldering conveying device. When one picking mechanism picks up the battery piece from the battery piece picking position, the other picking mechanism lays the picked battery piece onto the soldering conveying device. By arranging the two picking mechanisms and controlling the two picking mechanisms to alternately pick up the battery pieces from the battery piece picking position and lay the picked battery pieces onto the soldering conveying device, the battery piece feeding device greatly improves the battery piece feeding efficiency.

Abstract: A wireless earphone control method is disclosed, which includes, but is not limited to: acquiring a control image; detecting grayscale value distribution in the control image to obtain a detection result of occlusion; and performing a corresponding wireless earphone control operation based on the detection result of occlusion. The step of detecting grayscale value distribution in the control image to obtain the detection result of occlusion includes, but is not limited to: calculating first mean grayscale values of multiple preset sample regions in the control image; determining an occlusion position in the control image based on size relationships among the first mean grayscale values; and determining the detection result of occlusion based on the occlusion position.

Abstract: The fuel cell control system includes: a reactor; an air compressor, wherein the air compressor has a compressing cavity, the compressing cavity has a gas inlet and a gas outlet, a rotatable pressure wheel is disposed inside the compressing cavity, and the gas outlet is in communication with the reactor; a control flow channel, wherein a first end of the control flow channel is in communication with the gas-intake side of the pressure wheel, a second end of the control flow channel is in communication with the wheel-back side of the pressure wheel, and the control flow channel is provided with a return valve for regulating the flow rate of the control flow channel; and a central control unit, wherein the central control unit is communicatively connected to the return valve to control the opening degree of the return valve.

Abstract: The disclosure discloses a solid fluidization tubular separator for marine natural gas hydrate, which includes a first separator and a second separator, wherein the first separator includes the first separation sleeve, the power liquid pipe, the swirl baffle, the recovery mechanism and the sand discharge mechanism. After the hydrate is sucked into the first separation sleeve to generate a circumferential velocity, so that the mud and sand with high density are separated to the pipe wall of the first separation sleeve, and the mud and sand separated to the pipe wall are settled down from the gap between the swirl baffle and the pipe wall along the pipe wall. The hydrate swirl flows into the recovery mechanism, and then leaves the first separation sleeve and enters the second separator, so as to realize the separation of mud and sand and natural gas hydrate.

Abstract: An embodiment of the invention provides a fabrication method of a field-effect transistor. The method includes: forming a support structure with a superlattice feature on a semiconductor substrate, where the support structure includes a first semiconductor material layer and a second semiconductor material layer that are alternately disposed, and an isolation layer is disposed on two sides of the support structure; forming, along a boundary between the isolation layer and the support structure, a dummy gate structure that covers the support structure, where a length of the dummy gate structure in a gate length direction is less than the first semiconductor material layer; removing, along the gate length direction, an area other than a sacrificial layer in the first semiconductor material layer to form an insulation groove; and forming a source and a drain in a preset source drain area along the gate length direction.

Abstract: The fuel cell control system includes: a reactor; an air compressor, wherein the air compressor has a compressing cavity, the compressing cavity has a gas inlet and a gas outlet, a rotatable pressure wheel is disposed inside the compressing cavity, and the gas outlet is in communication with the reactor; a control flow channel, wherein a first end of the control flow channel is in communication with the gas-intake side of the pressure wheel, a second end of the control flow channel is in communication with the wheel-back side of the pressure wheel, and the control flow channel is provided with a return valve for regulating the flow rate of the control flow channel; and a central control unit, wherein the central control unit is communicatively connected to the return valve to control the opening degree of the return valve.

Abstract: An embodiment of the invention provides a fabrication method of a field-effect transistor. The method includes: forming a support structure with a superlattice feature on a semiconductor substrate, where the support structure includes a first semiconductor material layer and a second semiconductor material layer that are alternately disposed, and an isolation layer is disposed on two sides of the support structure; forming, along a boundary between the isolation layer and the support structure, a dummy gate structure that covers the support structure, where a length of the dummy gate structure in a gate length direction is less than the first semiconductor material layer; removing, along the gate length direction, an area other than a sacrificial layer in the first semiconductor material layer to form an insulation groove; and forming a source and a drain in a preset source drain area along the gate length direction.

Abstract: PatDNN is an end-to-end framework to achieve real-time DNN execution on mobile devices. PatDNN includes two stages: a pattern-based pruning stage based on extended ADMM solution framework, and an optimized execution code generation stage including a high-level, fine-grained DNN layerwise representation and a set of architecture-aware optimizations. This design allows PatDNN to benefit from both high accuracy and hardware efficiency.

Abstract: A computer-implemented method is disclosed for compressing a deep neural network (DNN) model by DNN weight pruning to accelerate DNN inference on mobile devices. The method includes the steps of (a) performing an intra-convolution kernel pruning of the DNN model wherein a fixed number of weights are pruned in each convolution kernel of the DNN model to generate sparse convolution patterns; (b) performing inter-convolution kernel pruning of the DNN model to generate connectivity sparsity, wherein inter-convolution kernel pruning comprises cutting connections between given input and output channels of the DNN model to remove corresponding kernels; and (c) training the DNN model compressed in steps (a) and (b).

Abstract: This application provides an integrated circuit device and a preparation method thereof, and relates to the field of semiconductor technologies. An isolation section for suppressing a leakage current path of two adjacent transistors may be formed by using a simple process. The integrated circuit device includes a substrate and a fin protruding from the substrate. The integrated circuit device further includes two adjacent transistors. The two adjacent transistors use two spaced segments on the fin as respective channels of the two adjacent transistors. Apart that is of the fin and that is located between the two spaced segments is processed to obtain an isolation section. The isolation section is used to suppress current transfer between the two channels of the two adjacent transistors.

Abstract: The invention provides a fabrication method of a field-effect transistor. The method includes: forming a support structure with a superlattice feature on a semiconductor substrate, where the support structure includes a first semiconductor material layer and a second semiconductor material layer that are alternately disposed, and an isolation layer is disposed on two sides of the support structure; forming, along a boundary between the isolation layer and the support structure, a dummy gate structure that covers the support structure, where a length of the dummy gate structure in a gate length direction is less than the first semiconductor material layer; removing, along the gate length direction, an area other than a sacrificial layer in the first semiconductor material layer to form an insulation groove,; and forming a source and a drain in a preset source drain area along the gate length direction.

Abstract: A liquid crystal material for a liquid crystal display panel is used to form a polymer film on a substrate on which no PI layer is provided so as to realize normal display of the liquid crystal panel. Meanwhile, realiability of the panel can be improved, a voltage holding rate can be improved, and poor alignment of the self-alignment liquid crystal material, afterimage, and other problems can be solved.

Abstract: The invention provides a fabrication method of a field-effect transistor. The method includes: forming a support structure with a superlattice feature on a semiconductor substrate, where the support structure includes a first semiconductor material layer and a second semiconductor material layer that are alternately disposed, and an isolation layer is disposed on two sides of the support structure; forming, along a boundary between the isolation layer and the support structure, a dummy gate structure that covers the support structure, where a length of the dummy gate structure in a gate length direction is less than the first semiconductor material layer; removing, along the gate length direction, an area other than a sacrificial layer in the first semiconductor material layer to form an insulation groove,; and forming a source and a drain in a preset source drain area along the gate length direction.

Abstract: A liquid crystal panel and a method of fabricating the same are described. For the liquid crystal panel, an optical alignment treatment is performed to irradiate a polarized ultraviolet light to an optical alignment layer in advance. Thus, when a polymerizing step is performed, tilting directions of the liquid crystal molecules can be made uniform, thereby solving the problem of reducing an optical transmittance existing in the conventional technology.

Abstract: A liquid crystal material, a liquid crystal display panel, and a method for manufacturing the liquid crystal display panel are disclosed. A liquid crystal material is used to form a polymer film on a substrate on which no PI layer is provided so as to realize normal display of the liquid crystal panel. Meanwhile, realiability of the panel can be improved, a voltage holding rate can be improved, and poor alignment of the self-alignment liquid crystal material, afterimage, and other problems can be solved.

Abstract: Provided are a liquid crystal display device and a manufacture method thereof. The liquid crystal display device is a blue phase liquid crystal display device. The alignment layer is not required. The liquid crystal composition forming the liquid crystal layer comprises liquid crystal material, quantum dots material mixed in the liquid crystal material, polymeric monomer and chiral material; the polymeric monomer is polymerized to form a polymer network under a blue phase temperature range as forming the liquid crystal layer, which can stabilize the blue phase liquid crystal, and thus to expand the blue phase temperature range. The grain size of the quantum dots material in the liquid crystal composition is in the nano scale, which can expand the blue phase liquid crystal temperature range. Namely, the blue phase temperature range of the liquid crystal material has already been expanded before the polymeric monomer is polymerized.

Abstract: The invention provides a PDLC display panel, manufacturing method thereof, and an LCD. The PDLC display panel comprises a PDLC layer, which comprising a plurality of red sub-pixel portions, green sub-pixel portions, and blue sub-pixel portions. The red, green and blue sub-pixel portion is a PDLC film having red, green and blue dye, respectively. The light passing through the red, green, and blue sub-pixel portions of the PDLC layer displays red, green and blue colors respectively. The PDLC display panel is simple in structure, on the premise to achieve color display, eliminating the upper and lower polarizers, polyimide (PI) alignment layer, CF layer and the black matrix, to achieve high light penetration rate and low manufacturing costs, as well as high backlight utilization with the use of quantum dot layer in the CF substrate.

Abstract: In a provided vertical alignment method, a pixel region, and the pixel region is divided into four sub regions of equal sizes which each is designed to be a square, and a pattern unit on the mask comprises a photic region corresponding to one sub region and a shading region corresponding to the other three sub regions in shape and size. The mask is employed to implement linear UV light irradiation to one sub region according to a certain irradiation angle to obtain a alignment direction of the one sub region, and then, the position of the mask and the certain irradiation angle of the irradiation are maintained to be unchanged. By rotating the pixel region 90° with three times, and the irradiation is implemented to the other three sub regions. Accordingly, the four sub regions have four alignment directions different from one another.

Abstract: A liquid crystal display device includes a liquid crystal panel and a back light module located under the liquid crystal panel. The liquid crystal panel includes a first substrate and a second substrate arranged opposite to each other; a liquid crystal layer arranged between the first substrate and the second substrate; an upper polarizer arranged at one side of the first substrate that is distant from the liquid crystal layer; a lower polarizer arranged at one side of the second substrate that is distant from the liquid crystal layer; and a quantum-dot color filter arranged between the back light module and the lower polarizer. The back light module emit blue light, which excites red and green quantum dots contained in the quantum-dot color filter to emit red light and green light, respectively.